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<?php
declare(strict_types=1);
namespace malkusch\lock\Tests\mutex;
use malkusch\lock\exception\LockAcquireException;
use malkusch\lock\exception\LockReleaseException;
use malkusch\lock\mutex\PredisMutex;
use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
use Predis\ClientInterface;
use Predis\PredisException;
use Psr\Log\LoggerInterface;
interface ClientInterfaceWithSetAndEvalMethods extends ClientInterface
{
/**
* @return mixed
*/
public function eval();
/**
* @return mixed
*/
public function set();
}
/**
* @group redis
*/
#[Group('redis')]
class PredisMutexTest extends TestCase
{
/** @var ClientInterface&MockObject */
private $client;
/** @var PredisMutex */
private $mutex;
/** @var LoggerInterface&MockObject */
private $logger;
#[\Override]
protected function setUp(): void
{
parent::setUp();
$this->client = $this->createMock(ClientInterfaceWithSetAndEvalMethods::class);
$this->mutex = new PredisMutex([$this->client], 'test', 2.5);
$this->logger = $this->createMock(LoggerInterface::class);
$this->mutex->setLogger($this->logger);
}
/**
* Tests add() fails.
*/
public function testAddFailsToSetKey(): void
{
$this->client->expects(self::atLeastOnce())
->method('set')
->with('lock_test', self::isString(), 'PX', 3500, 'NX')
->willReturn(null);
$this->logger->expects(self::never())
->method('warning');
$this->expectException(LockAcquireException::class);
$this->mutex->synchronized(
static function (): void {
self::fail('Code execution is not expected');
}
);
}
/**
* Tests add() errors.
*/
public function testAddErrors(): void
{
$this->client->expects(self::atLeastOnce())
->method('set')
->with('lock_test', self::isString(), 'PX', 3500, 'NX')
->willThrowException($this->createMock(PredisException::class));
$this->logger->expects(self::once())
->method('warning')
->with('Could not set {key} = {token} at server #{index}', self::anything());
$this->expectException(LockAcquireException::class);
$this->mutex->synchronized(
static function () {
self::fail('Code execution is not expected');
}
);
}
public function testWorksNormally(): void
{
$this->client->expects(self::atLeastOnce())
->method('set')
->with('lock_test', self::isString(), 'PX', 3500, 'NX')
->willReturnSelf();
$this->client->expects(self::once())
->method('eval')
->with(self::anything(), 1, 'lock_test', self::isString())
->willReturn(true);
$executed = false;
$this->mutex->synchronized(static function () use (&$executed): void {
$executed = true;
});
self::assertTrue($executed);
}
/**
* Tests evalScript() fails.
*/
public function testEvalScriptFails(): void
{
$this->client->expects(self::atLeastOnce())
->method('set')
->with('lock_test', self::isString(), 'PX', 3500, 'NX')
->willReturnSelf();
$this->client->expects(self::once())
->method('eval')
->with(self::anything(), 1, 'lock_test', self::isString())
->willThrowException($this->createMock(PredisException::class));
$this->logger->expects(self::once())
->method('warning')
->with('Could not unset {key} = {token} at server #{index}', self::anything());
$executed = false;
$this->expectException(LockReleaseException::class);
$this->mutex->synchronized(static function () use (&$executed): void {
$executed = true;
});
self::assertTrue($executed);
}
}
|
